Swift Package IndexBuild Information
Failed to build hummingbird-websocket, reference main (e7100d), with Swift 6.2 for Wasm on 28 Mar 2026 19:06:44 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/hummingbird-project/hummingbird-websocket.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/hummingbird-project/hummingbird-websocket
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at e7100d3 Update from hummingbird-project-template 6594c217e03b6530e42665125216309d04cdc702 (#122)
Cloned https://github.com/hummingbird-project/hummingbird-websocket.git
Revision (git rev-parse @):
e7100d3bd7f155533c2b55fa0f5cd2d08d8cbbec
SUCCESS checkout https://github.com/hummingbird-project/hummingbird-websocket.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/hummingbird-project/hummingbird-websocket.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1
wasm-6.2-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:de1420b02d93a9deec3e168cca69275e06e27da7632503e71651af6daad007b1
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest
warning: multiple Swift SDKs match target triple `wasm32-unknown-wasip1` and host triple x86_64-unknown-linux-gnu, selected one at /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/embedded-swift-sdk.json
Fetching https://github.com/apple/swift-nio-ssl.git
Fetching https://github.com/hummingbird-project/hummingbird.git
Fetching https://github.com/hummingbird-project/swift-websocket.git
Fetching https://github.com/apple/swift-nio-extras.git
[1/800] Fetching swift-websocket
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[10960/48848] Fetching swift-websocket, swift-nio-extras, hummingbird, swift-nio-ssl
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Fetched https://github.com/hummingbird-project/hummingbird.git from cache (2.90s)
Fetched https://github.com/apple/swift-nio-ssl.git from cache (2.92s)
Computing version for https://github.com/hummingbird-project/swift-websocket.git
Computed https://github.com/hummingbird-project/swift-websocket.git at 1.5.0 (3.54s)
Fetching https://github.com/swift-server/swift-service-lifecycle
Fetching https://github.com/adam-fowler/compress-nio.git
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Fetching https://github.com/apple/swift-nio.git
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Computing version for https://github.com/apple/swift-nio-extras.git
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Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
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Creating working copy for https://github.com/apple/swift-certificates.git
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Creating working copy for https://github.com/apple/swift-crypto.git
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Building for debugging...
[0/551] Compiling CCompressZlib empty.c
/host/spi-builder-workspace/.build/checkouts/async-http-client/Sources/CAsyncHTTPClient/CAsyncHTTPClient.c:37:38: error: call to undeclared function 'strptime_l'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
37 | const char * firstNonProcessed = strptime_l(string, format, result, (locale_t)locale);
| ^
/host/spi-builder-workspace/.build/checkouts/async-http-client/Sources/CAsyncHTTPClient/CAsyncHTTPClient.c:37:38: note: did you mean 'strftime_l'?
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/time.h:93:8: note: 'strftime_l' declared here
93 | size_t strftime_l (char * __restrict, size_t, const char * __restrict, const struct tm * __restrict, locale_t);
| ^
/host/spi-builder-workspace/.build/checkouts/async-http-client/Sources/CAsyncHTTPClient/CAsyncHTTPClient.c:37:18: error: incompatible integer to pointer conversion initializing 'const char *' with an expression of type 'int' [-Wint-conversion]
37 | const char * firstNonProcessed = strptime_l(string, format, result, (locale_t)locale);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 errors generated.
[1/551] Compiling CAsyncHTTPClient CAsyncHTTPClient.c
[1/551] Compiling a_gentm.cc
[1/551] Compiling a_dup.cc
[1/551] Compiling a_d2i_fp.cc
[1/551] Compiling c-atomics.c
[1/551] Compiling a_bitstr.cc
[1/551] Compiling a_bool.cc
[1/551] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.2 wasm